Process for digesting cellulosic material

Details Process for digesting cellulosic material Process for digesting cellulosic material

D - Textiles, Paper

21

C

9/2

D21C 9/02 (2006.01) D21C 3/00 (2006.01) D21C 11/00 (2006.01)

Patent

CA 1179807

PROCESS FOR DIGESTING CELLULOSIC MATERIAL Abstract of the Disclosure Hot spent liquor, produced in a digester as the result of cooking a mass of cellulosic material with cooking liquor, is displaced from the top of the digester by pumping under pressure a displacing liquid into the base of the digester. The hot liquor so displaced is collected in an accumulator, and used to preheat another mass of cellulosic material as a preliminary to cooking of this other mass of material.

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